Fiber Optic Thread
Fiber Optic Thread - Related Videos
13:49
High-resolution Fiber-optic Microendoscopy for in situ Cellular Imaging
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Cited by 84 •
2011
In many biological and clinical situations it is advantageous to study cellular processes as they evolve in their native microenvironment. Here we describe the assembly and use of a low-cost fiber-optic microscope which can provide real time imaging in cell culture, animal studies, and clinical patient studies.
10:21
Multicolor Fluorescence Detection for Droplet Microfluidics Using Optical Fibers
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Cited by 18 •
2016
Multicolor fluorescence detection in droplet microfluidics typically involves bulky and complex epifluorescence microscope-based detection systems. Here we describe a compact and modular multicolor detection scheme that utilizes an array of optical fibers to temporally encode multicolor data collected by a single photodetector.
09:43
Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
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Cited by 10 •
2017
We demonstrate the transmission of multiple independent signals through a multimode fiber using wavefront shaping employing a single spatial light modulator. By modulating the wavefront for each signal individually, spatially separated foci are transmitted. Potential applications are multiplexed data transfer in communications engineering and endoscopic light delivery in biophotonics.
10:18
Fiber-optic Implantation for Chronic Optogenetic Stimulation of Brain Tissue
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Cited by 50 •
2012
The development of optogenetics now provides the means to precisely stimulate genetically defined neurons and circuits, both in vitro and in vivo. Here we describe the assembly and implantation of a fiber optic for chronic photostimulation of brain tissue.
09:48
Fiber Optic Distributed Sensors for High-resolution Temperature Field Mapping
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Cited by 8 •
2016
We demonstrate use of a fiber optic distributed sensor for mapping the temperature field of mixing air jets. The Rayleigh scattering-based sensor generates thousands of data points along a single fiber to provide exceptional spatial resolution that is unattainable with traditional sensors such as thermocouples.
FAQs
Light remains concentrated in the transparent core because the surrounding cladding has a lower refractive index. This difference enables total internal reflection, repeatedly redirecting light along the fiber rather than allowing it to escape through the sides. In biological experiments, that optical arrangement supports controlled delivery or collection of light at locations separated from the main optical equipment.
Its slender, flexible structure allows the thread to bend around tissue or experimental structures while continuing to transmit light. This flexibility provides access where rigid or conventional optics may be difficult to position. As a result, investigators can place illumination or detection closer to a selected biological location without requiring a large optical pathway at that site.
Light can travel into a biological system for localized illumination or light-based stimulation, or travel out for fluorescence detection and imaging. This bidirectional use makes the same optical approach adaptable to different experimental goals. The selected direction determines whether the thread primarily delivers controlled light, collects optical signals, or supports both functions in a study.
Fiber Optic Thread supports experiments that require localized illumination, fluorescence detection, imaging, or light-based stimulation. These capabilities allow researchers to control or observe activity at selected locations rather than illuminating an entire preparation broadly. Its value is especially clear when the biological process changes over time and requires repeated, spatially focused optical access.
A general workflow is to position the flexible thread so it reaches the intended biological or experimental location, then use it to deliver illumination or stimulation, or to collect emitted light for fluorescence detection and imaging. The thread’s small size and optical flexibility help maintain access while limiting physical disruption to the surrounding system.
The combination of small size, flexibility, and controlled optical transmission addresses experiments in which conventional optics cannot easily reach the target. It can provide localized access with limited physical disruption, supporting measurements or stimulation within constrained biological structures. Researchers therefore gain a way to study dynamic processes while preserving more of the experimental arrangement around the target.